From Cppreference
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| template< class T, T v >
struct integral_constant;
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(C++11 feature)
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std::integral_constant wraps a static constant of specified type. It is the base class for the C++ type traits.
[edit] Member types
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| Type
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Definition
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| value_type
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T
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| type
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std::integral_constant<T,v>
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[edit] Member constants
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| Name
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Value
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| value
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static constant expression of type T with value v
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[edit] Member functions
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| operator value_type
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converts the object to value_type, returns value
(public member function)
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[edit] Equivalent definition
template< class T, T v >
struct integral_constant
{
static constexpr T value = v;
typedef T value_type;
typedef integral_constant type;
constexpr operator value_type() const {return value;}
}; |
[edit] Example
[edit] See also
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boolean instantiations of integral_constant
(class)
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